Guidance on opening coffee shop and suggestion on profit model of entrepreneurial coffee shop

It seems that every founder has something to hide about the profit model of start-up cafes. Everyone's answers revolve around us selling coffee, we conduct activities, and we collect venue fees. There is no doubt that this way of making profits is too far-fetched. The lack of surplus capacity is the biggest injury to start-up cafes at present. Mixed with the Internet circle, has a financial background, started a business, and is the founder of a startup cafe.